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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

70°F

21°C

Humidity 90%
Wind Speed SE 12 mph
Barometer 29.87 in (1010.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Jun 1:53 am CDT
Extended Forecast for

3 Miles WSW Oshkosh, Wittman Regional Airport WI

Extreme Heat Warning June 29, 12:00pm until June 30, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind around 14 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 94. Heat index values as high as 107. South wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 94 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 1am and 3am. Mostly clear, with a low around 76. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 40%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind around 14 mph, with gusts as high as 23 mph.
Monday
A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 94. Heat index values as high as 107. South wind 11 to 16 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers between 1am and 3am. Mostly clear, with a low around 76. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Oshkosh, Wittman Regional Airport WI
 44°N 88.63°W (Elev. 801 ft)
Last Update:
1:56 am CDT Jun 29, 2026
Forecast Valid:
2am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation